At first glance, the bone-dry landscape of the Atacama Desert in Chile might seem inhospitable. But, it's prime real estate for astronomers. This desert is now home to the largest ground-based radio telescope in the world. The telescope is called the Atacama Large Millimeter/submillimeter Array or "ALMA" for short. And, it's allowing us to see the universe like we never have before.

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This is an episode from Science Nation, NSF's online magazine that's all about science for the people.

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